httpbin2
Relay web server for microservices environments and injecting quality of service issues.
Usage
HTTP server for testing, demo'ing, and learning
Usage:
httpbin2 [flags]
httpbin2 [command]
Available Commands:
completion Generate the autocompletion script for the specified shell
help Help about any command
version Application version
Flags:
--delay-max-ms int High end for response delay (default 0)
--delay-min-ms int Low end for response delay (default 0)
--delay-rate int Delay rate (default 100) (default 100)
-h, --help help for httpbin2
--message string Message for server to return
--message-hostname Return hostname as message to requests
-p, --port int Listening port (default 8080)
--relay strings Relay routes to request on trigger (can be specified multiple times)
--status-code int HTTP status code to return (default 200) (default 200)
--status-code-rate int Status code rate (default 100) (default 100)
Use "httpbin2 [command] --help" for more information about a command.
Basic web server
Run a web server that returns a message:
$ httpbin2 --message "hello world"
Add hostname in the message, which is helpful in seeing which instance of the application served the request directly from the response:
$ httpbin2 --message "hello world" --message-hostname
Failure injection
Inject a percentage of failed responses:
$ httpbin2 --message "some failures" --status-code 500 --status-code-rate 50
The above returns HTTP/500 half the time (and HTTP/200 the other half).
Delay injection
Inject delays:
$ httpbin2 \
--message "some delays" \
--delay-min-ms 1000 \
--delay-max-ms 5000 \
--delay-rate 50
This delays half of the requests for a duration from 1 to 5 seconds.
Multiple web server hops
You can chain web servers together with relays:
$ httpbin2 -p 8081 --message "first"
$ httpbin2 -p 8082 --message "second"
$ httpbin2 --relay "http://localhost:8081" --relay "http://localhost:8082"
This is helpful if you're trying to model multiple network hops.
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